DE69709656T2 - Verfahren zum bleichen von papierzellstoff - Google Patents

Verfahren zum bleichen von papierzellstoff

Info

Publication number
DE69709656T2
DE69709656T2 DE69709656T DE69709656T DE69709656T2 DE 69709656 T2 DE69709656 T2 DE 69709656T2 DE 69709656 T DE69709656 T DE 69709656T DE 69709656 T DE69709656 T DE 69709656T DE 69709656 T2 DE69709656 T2 DE 69709656T2
Authority
DE
Germany
Prior art keywords
pulp
stage
pct
sec
aimed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69709656T
Other languages
German (de)
English (en)
Other versions
DE69709656D1 (de
Inventor
Johan Devenyns
Eric Chauveheid
Lucien Plumet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Solvay Chimie SA
Original Assignee
Solvay Interox SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BE9600764A external-priority patent/BE1010617A3/fr
Priority claimed from BE9600858A external-priority patent/BE1010678A3/fr
Priority claimed from BE9600857A external-priority patent/BE1010677A3/fr
Application filed by Solvay Interox SA filed Critical Solvay Interox SA
Application granted granted Critical
Publication of DE69709656D1 publication Critical patent/DE69709656D1/de
Publication of DE69709656T2 publication Critical patent/DE69709656T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
DE69709656T 1996-09-11 1997-08-23 Verfahren zum bleichen von papierzellstoff Expired - Fee Related DE69709656T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE9600764A BE1010617A3 (fr) 1996-09-11 1996-09-11 Procede de blanchiment de pate a papier.
BE9600858A BE1010678A3 (fr) 1996-10-11 1996-10-11 Procede de delignification et de blanchiment de pate a papier chimique.
BE9600857A BE1010677A3 (fr) 1996-10-11 1996-10-11 Procede de delignification et de blanchiment de pate a papier chimique.
PCT/EP1997/004758 WO1998011295A1 (fr) 1996-09-11 1997-08-23 Procede de blanchiment de pate a papier

Publications (2)

Publication Number Publication Date
DE69709656D1 DE69709656D1 (de) 2002-02-21
DE69709656T2 true DE69709656T2 (de) 2002-10-17

Family

ID=27159855

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709656T Expired - Fee Related DE69709656T2 (de) 1996-09-11 1997-08-23 Verfahren zum bleichen von papierzellstoff

Country Status (18)

Country Link
US (1) US6123809A (ja)
EP (1) EP0925401B1 (ja)
JP (1) JP2001503109A (ja)
AT (1) ATE212087T1 (ja)
AU (1) AU4300797A (ja)
BR (1) BR9711743A (ja)
CA (1) CA2265566A1 (ja)
CZ (1) CZ86099A3 (ja)
DE (1) DE69709656T2 (ja)
EE (1) EE03881B1 (ja)
ES (1) ES2171926T3 (ja)
ID (1) ID19415A (ja)
MY (1) MY132667A (ja)
NO (1) NO991153L (ja)
PL (1) PL332079A1 (ja)
PT (1) PT925401E (ja)
RU (1) RU2189412C2 (ja)
WO (1) WO1998011295A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1012675A6 (fr) * 1999-05-11 2001-02-06 Solvay Procede de blanchiment de pate a papier.
US6702921B2 (en) * 2001-05-01 2004-03-09 Ondeo Nalco Company Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
WO2003016547A2 (en) * 2001-08-13 2003-02-27 Vanderbilt University Distribution of solutions across a surface
US7351764B2 (en) * 2004-03-31 2008-04-01 Nalco Company Methods to enhance brightness of pulp and optimize use of bleaching chemicals
CA2569848C (en) * 2004-06-08 2011-05-10 Nippon Paper Industries Co., Ltd. Pulp bleaching processes
US20060201642A1 (en) * 2005-03-08 2006-09-14 Andritz Inc. Methods of treating chemical cellulose pulp
US20070131364A1 (en) * 2005-12-14 2007-06-14 University Of Maine Process for treating a cellulose-lignin pulp
US20100224336A1 (en) * 2005-12-14 2010-09-09 University Of Maine System Board Of Trustees Process of bleaching a wood pulp
JP4893210B2 (ja) * 2006-10-03 2012-03-07 三菱瓦斯化学株式会社 漂白パルプの製造方法
JP4973284B2 (ja) * 2007-03-30 2012-07-11 栗田工業株式会社 パルプ洗浄剤、パルプ製造方法、及びパルプ洗浄方法
ES2456271T3 (es) * 2008-06-20 2014-04-21 International Paper Company Composición y hoja de registro con propiedades ópticas mejoradas
FR3016359B1 (fr) * 2014-01-10 2022-04-29 Arkema France Compositions de peroxyde d'hydrogene pour la delignification de matiere vegetale et leurs utilisations
CN104313933A (zh) * 2014-09-23 2015-01-28 华南理工大学 一种硫酸盐蔗渣浆绿色漂白方法
FR3062138B1 (fr) * 2017-01-23 2019-06-07 Centre Technique De L'industrie Des Papiers, Cartons Et Celluloses Procede de blanchiment d'une pate a papier

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE500113C2 (sv) * 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
SE9301160L (sv) * 1992-08-28 1994-03-01 Sunds Defibrator Ind Ab Förfarande för behandling av processvatten
EP0622491B2 (en) * 1993-04-20 2002-07-17 Eka Chemicals AB Method for bleaching lignocellulose-containing pulp
US5571378A (en) * 1993-11-23 1996-11-05 Hampshire Chemical Ltd. Process for high-pH metal ion chelation in pulps
SE504826C2 (sv) * 1994-10-07 1997-05-12 Sunds Defibrator Ind Ab Behandling av kemisk massa med komplexbildare i närvaro av ett oxidationsmedel
WO1996025552A1 (en) * 1995-02-17 1996-08-22 Ahlstrom Machinery Oy Method of pretreating pulp to be bleached with peroxide

Also Published As

Publication number Publication date
ID19415A (id) 1998-07-09
AU4300797A (en) 1998-04-02
JP2001503109A (ja) 2001-03-06
BR9711743A (pt) 1999-08-24
ES2171926T3 (es) 2002-09-16
EP0925401B1 (fr) 2002-01-16
MY132667A (en) 2007-10-31
WO1998011295A1 (fr) 1998-03-19
US6123809A (en) 2000-09-26
NO991153L (no) 1999-05-04
CA2265566A1 (fr) 1998-03-19
CZ86099A3 (cs) 1999-06-16
PL332079A1 (en) 1999-08-30
EE9900119A (et) 1999-10-15
EE03881B1 (et) 2002-10-15
ATE212087T1 (de) 2002-02-15
NO991153D0 (no) 1999-03-10
EP0925401A1 (fr) 1999-06-30
DE69709656D1 (de) 2002-02-21
RU2189412C2 (ru) 2002-09-20
PT925401E (pt) 2002-07-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee